/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

'use strict';

module.exports.waitFor = async function (pred) {
    await Promise.all([new Promise((resolve) => {
        let handle = setInterval(async () => {
            let flag = await pred();
            if (flag) {
                clearInterval(handle);
                resolve();
            }
        }, 10);
    })]);
};